Issue time:

Colour code

SFC/Flight Level 200
Flight Level 350/550


Datum: 2011-05-29 06:00 UTC
Area: Iceland
Source: Icelandic Met Office
Aviation colour code:  unknown
Summit elevation:  1725m
Eruption Details: eruption paused obs va dtg: 29/0600z

Vulkanische aswolk Iceland - Grímsvötn   zondag 29-05-2011 06:00 UTC

Remarks: nil

This data supplements the official Volcanic Ash Advisory Graphics and Volcanic Ash Advisories. The data is to be used with caution. The official Volcanic Ash Graphics and Volcanic Ash Advisories take precedence in all circumstances. Please refer to national NOTAMs for definitive boundaries of no-fly areas.

Altitiude levels (International Standard Atmosphere)

SFC to FL200 - Ash concentrations between the surface and 20,000 feet.
FL200 to FL350 - Ash concentrations between 20,000 feet and 35,000 feet.
FL350 to FL550 - Ash concentrations between 35,000 feet and 55,000 feet.
SFC to 6000FT - Ash concentrations between the surface and 6,000 feet.